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Finding the Fourth Proportional to 27,152.40, 37,474.92 and 15,979.92

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Solution

The fourth proportional to 27,152.40, 37,474.92 and 15,979.92 is: 22,055.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,152.40 : 37,474.92 = 15,979.92 : x
  2. Step 2: Convert to fraction form
    27,152.40/37,474.92 = 15,979.92/x
  3. Step 3: Cross multiply
    27,152.40x = 37,474.92 × 15,979.92
  4. Step 4: Simplify right side
    27,152.40x = 598,846,223.61
  5. Step 5: Solve for x
    x = 598,846,223.61/27,152.40
  6. Step 6: Final answer
    x = 22,055.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.